Norcold DE0/EVO 788 Series Owner's manual

120/220/240 VOLTS AC and 12/24 VOLTS

DC DUAL VOLTAGE REFRIGERATORS

INSTALLATION AND OWNER’S

MANUAL

12/24 VDC only 120 VAC and 220/240 VAC and

12/24 VDC 12/24 VDC

DC0788B DE0788B EV0788B

DC0788S DE0788S EV0788S

DCF788B DEF788B EVF788B

DCF788S DEF788S EVF788S

DCR788B DER788B EVR788B

DCR788S DER788S EVR788S

Service Information

If service or parts are required, contact the nearest Norcold Service Center. To

nd an authorized Norcold Service Center near you, please telephone the Norcold

Customer Support Dept. at 800-543-1219 (option-1) or visit our web site at www.

norcold.com.

Norcold Customer Support Dept.

Telephone : 800-543-1219

Fax : 937-497-3183

Web Site: www.norcold.com

Serial No.

7/09

Part No. 632329B

#5490 176 5010

2

NORCOLD AC/DC Models - Two Year Limited Warranty Policy

Norcold, Inc. warrants that when properly installed and placed under normal service and

use its refrigeration equipment is free from defects in material and workmanship for two

years commencing from the original date of purchase of the new equipment.

Limitations of Warranty

1. This Warranty is the only warranty for a Norcold AC/DC refrigerator. This Warranty

does not extend to glassware, electric light bulbs, and replaceable fuses.

2. This warranty does not apply to parts and assemblies that have been subjected to

misuse, improper installation, abnormal service, transit damage, recharging of cooling

system, accident, re, improper repair, tampering or abuse.

3. Irrespective of the nature of the warranty protection offered or claimed, the period

of warranty shall in no case extend beyond two years commencing from the original

date of purchase of the new equipment.

Limitation of Remedy

1. The responsibility of NORCOLD under this or any warranty is limited to the repair or

replacement (at NORCOLD’S option) of the defective part or assembly.

2. In no event and under no circumstances shall NORCOLD be responsible under this

Limited Warranty for any other charge whatsoever, including but not limited to charges

or claims for labor, lost business, lost time, lost prots, loss of use, or any kind of

incidental or consequential damages, however denominated or described. The

remedy under this warranty is limited to repair or replacement.

3. Some states do not allow the exclusion or limitation of incidental or consequential

damages, so the above exclusion may not apply to you.

Disclaimer of Other Warranties

This Warranty is expressly in lieu of all other warranties either expressed or implied.

All other warranties, expressed or implied, including any warranty of merchantability or

tness for a particular purpose, are hereby disclaimed and excluded.

Legal Rights

This Warranty gives you specic legal rights, and you may have other legal rights which

vary from state to state.

3

Safety Awareness

Read this manual carefully and understand the contents before you install the

refrigerator.

Be aware of possible safety hazards when you see the safety alert symbol on the

refrigerator and in this manual. A signal word follows the safety alert symbol and

identies the danger of the hazard. Carefully read the descriptions of these signal

words to fully know their meanings. They are for your safety.

WARNING: This signal word means a hazard, which if ignored, can cause

dangerous personal injury, death, or much property damage.

CAUTION: This signal word means a hazard, which if ignored, can cause small

personal injury or much property damage.

Model No. and Serial No.

The model and serial number are on a label which is inside the refrigerator on the

left side and on the cover of this manual.

Operation

This refrigerator is made for refrigerating purposes and operates on 120/220/240

VAC or 12/24 VDC power when installed as written in this manual. The correct

supply voltage(s) is located on the serial plate.

AC is the primary power source. When an AC source is not available, a built-in relay

automatically switches the refrigerator operation to the DC power source. If the

refrigerator is operating on the DC power source and AC power becomes available,

the relay switches the refrigerator operation to the AC power source.

CAUTION: Never store combustible materials near the refrigerator. Storing

combustible materials near the refrigerator creates a safety hazard and also

decreases the ventilation of the cooling system which decreases the refrigerator

performance.

Do not touch the evaporator or other metal parts inside the refrigerator cabinet

with wet hands because they can freeze to the refrigerator.

Always disconnect all power sources from the refrigerator when doing routine

maintenance. Have service work done only by a qualied service technician.

The refrigerator temperature is controlled by a thermostat, located in the refrigerator.

A light, located on the panel comes on when the refrigerator is “ON”. Number “1”

is the warmest and number “5” is the coldest thermostat position. For efcient

operation, change the thermostat according to the types of food stored and the ambient

temperature.

If you are not going to use the refrigerator for an extended period of time, put the

thermostat to the “OFF” position (full counterclockwise position).

!

4

Protection System

Your refrigerator has an over current protection system in the electronic circuit to

prevent damage to the inverter which may occur due to a reverse polarity connection.

If the refrigerator does not operate and the interior light does not come on, check

the fuse, which is located on the side of the inverter case, and the polarity of the DC

power supply. If the refrigerator still does not operate, another problem can exist in the

inverter. Have an authorized Norcold Service Center check the refrigerator.

Cleaning and Defrosting

Defrosting

It is normal for frost to collect on the freezer plate inside the refrigerator. Excess frost

decreases the cooling performance of the refrigerator. Defrost the refrigerator as

necessary.

CAUTION: Do not use sharp objects, a hair dryer, a heat gun, etc. to defrost

the refrigerator. Damage to the interior of the refrigerator can occur.

- Turn the thermostat to “OFF”.

- Remove all food from the refrigerator.

NOTE: Defrosting the refrigerator makes excess water inside the refrigerator.

- Put dry towels (etc.) inside the refrigerator to absorb the excess water.

- Put trays of hot water in the freezer until the frost is melted.

- Empty the drip tray.

- Remove the wet towels (etc.) and dry the inside of the refrigerator

- Turn the thermostat to the desired setting.

- Put the drip tray and all food in the refrigerator.

!

5

Cleaning

A good time to clean the refrigerator is just after you defrost it.

Clean the inside of the refrigerator as often as necessary to avoid food odors:

- Remove all food from the refrigerator.

NOTE: Do not use abrasive cleaners, chemicals, or scouring pads because they can

damage the inside of the refrigerator.

- Wash the inside of the refrigerator and the door gasket with a solution of liquid dish

detergent and warm water.

- Rinse with clean water and dry.

- After cleaning, put a thin coating of petroleum jelly on the hinge side of the gasket to

keep it soft and to prevent it from rolling.

Battery Maintenance

Over cooling drains your battery

When the ambient temperature is between 70° and 90° F, keep the thermostat at the “3“

position to avoid an excessive drain of the battery. When making ice, or storing frozen

foods, turn the thermostat to the coldest setting “5“.

Maintain the battery

If the charge of your battery is not sufcient, the cooling performance of your refrigerator

decreases.

CAUTION: Only use a “quick charger” on the battery if the thermostat is turned

to “OFF”.

!

6

Check the Battery charge Level

A fully charged battery will have a specic gravity reading of between 1.260 and 1.280.

The battery voltage is best indicated when the refrigerator is “ON” and the battery

charging system is “OFF”. Charge the battery when the specic gravity reading is less

than 1.200.

For your reference

The wiring diagram shown below is recommended for dual battery hookup (See

Art01516).

*Recommended source:

Sure Power Industries, Inc.

1-800-845-6269

www.Surepower.com

Disposal

WARNING: To prevent the risk of child entrapment, before you discard your old

refrigerator:

- Remove the doors from the refrigerator.

- Let the shelves stay in position so that a child may not easily climb inside the

refrigerator.

!

7

Installation

The refrigerator must be located and secured on a solid surface in the vehicle or

watercraft.

Before installing the refrigerator into the opening, make sure the DC supply is

properly connected.

Measure the opening to determine if you have proper clearance for installation.

Additional insulation space around the refrigerator is not necessary.

Be sure the refrigerator is not in direct sunlight or near a gas stove, a heater, or other

heat-generating appliances. Avoid installing your refrigerator close to warm water lines

or warm air ducts.

Your refrigerator was thoroughly cleaned before shipment from the factory. It is

advisable, however, to clean the interior once more before using. Wipe the interior with

a cloth and warm water. Then wipe with a dry cloth.

Ventilation

Sufcient ventilation (airow)

over the rear mounted

condenser of the refrigerator is

necessary for the refrigerator

to operate correctly. Use any

of the following combinations

of vent openings: A-D, A-I, A-J,

B-C, B-F, B-H, C-D, C-I, C-J,

D-F, D-H, F-I, F-J, G-I, G-J, H-I,

H-J (See Art01129 - for 0788

models only).

For the minimum required

ventilation, each individual vent

opening should be no less than

50 square inches. However,

the vent openings should

be larger, to allow as much

ventilation as possible. The

more air that circulates over

the refrigerator condenser, the

more efciently the refrigerator

will operate.

A

B

C

D

E

F

G

H

I

J

Art01129

8

CAUTION: Do not remove the bottom rails

from the refrigerator cabinet. The rails supply

space under the refrigerator that is necessary

for correct ventilation.

If you do not make sure that the ventilation is

correct, a shortened refrigerator life expectancy,

poor refrigeration, continuous operation,

accelerated battery discharge and a void

warranty will result.

If the refrigerator is installed in an unvented enclosure,

separate the intake air and the exhaust air by a bafe.

You may construct a foam bafe from 0.5 inch foam

(See Art01982 - for R788 and F788 models only).

Installation Options

Install a decorative door panel

NOTE: The decorative door panel must be 4 mm or

less in thickness.

1. Remove the door from the refrigerator by removing

the two (2) bolts that attach the door hinge to the top

of the refrigerator (See Art01983).

Door hinge

Bolts

Art01983

!

Art01982

foam baffle

0.5 inch max.

0.5 inch min.

Panel retainer

Art01985

Door panel

9

2. Lift the door off the bottom hinge.

3. Remove the panel retainer by prying the retainer

out of the slot (See Art01985).

4. Gently pull the door panel out of the door.

5. Push a new door panel into the door slot.

6. Put the panel retainer in the original location and

press the retainer back into the slot.

7. Put the door in the original location and tighten

the two (2) bolts.

Reverse the door swing:

1. Remove the door from the refrigerator by

removing the two (2) bolts that attach the door

hinge to the bottom of the refrigerator (See

Art01986).

2. Remove the two (2) bolts that attach the upper

hinge.

3. Remove the bolt that attaches the door latch plate to

the top of the refrigerator (See Art01987).

4. Remove the upper hinge and the door latch plate

from the refrigerator.

5. Attach the upper hinge and the door latch plate to the

opposite sides of the refrigerator.

6. Move the latch to the opposite side of the door (See

Art01988):

- Remove the screw that attaches the latch handle

and the latch pin.

- Remove the latch handle pin and the coil spring

from the door.

- Move the set screw to opposite side of the latch

pin.

- Assemble the coil spring and the latch pin into the

opposite side of the door.

Art01986

Bolts

Door hinge

Door latch plate

Bolts

Art01987

Art01988

Screw

Latch handle

Latch pin

Coil spring

Set screw

Door

10

- Attach the handle to the latch pin.

- Make sure that the angled end of the latch pin is up.

7. Put the door onto the refrigerator and make sure that the gasket seals correctly.

8. Install and tighten the two (2) screws that attach the door hinge to the bottom of the

refrigerator.

Connect the 120/220/240 volts AC supply

WARNING: Connect the AC power cord(s) only to a grounded three-prong

receptacle. Do not remove the round ground prong from any of the AC power

cords. Do not use a two prong adapter or an extension cord with any of the AC

power cords. Operation of the refrigerator without correct ground can cause

dangerous electrical shock or death if you are touching the metal parts of the

refrigerator.

Put the AC power cord into a grounded three-prong receptacle.

Connect the 12/24 volts DC supply

CAUTION: Only connect the refrigerator directly to the battery. Because they

often generate high voltage pulses and cause transistor defects in the inverter,

no other switches, lead wires, or electrical equipment should share the wiring

between the refrigerator and battery.

!

Art01521

Refrigerator Refrigerator

Refrigerato

r

Refrigerator

INCORRECT

CORRECT CORRECT

Battery charger or

AC/DC converter etc.

Battery charger or

A

C/DC converter etc.

Transistorized

DC power supply

Transistorized

DC power supply

!

11

When using either a converter or a battery charger, make sure that they are connected

in parallel between the battery and the refrigerator. Do not use a converter or battery

charger to supply the DC power directly to the refrigerator because these two devices

do not supply ltered DC power (See Art01521).

As the distance from the vehicle battery to the refrigerator increases, the correct AWG

wire size also increases. If he wire size is too small for the distance, a voltage drop

occurs. The voltage drop decreases the cooling performance of the refrigerator.

1. Norcold recommends that you use the following wire and fuse sizes:

- Measure the distance from the vehicle battery to the refrigerator:

- If the distance is less than 12 feet, use 16 AWG wire and a 10 Amp fuse.

- If the distance is between 12 and 20 feet, use 14 AWG wire and a 10 Amp fuse.

- If the distance is more than 20 feet, use 12 AWG wire and a 10 Amp fuse.

- Twist the lead wires to reduce the radio interference and induction of a high voltage

surge from the outside (See Art01518A).

A

rt01518A

Electrical equipment

INCORRECT CORRECT

Battery

Refrigerator Refrigerato

r

Twist lead wires

12

!

2. Connect the DC power supply wires:

CAUTION: If the DC power supply leads are attached incorrectly, damage to

the refrigerator power supply will occur.

- Connect the positive (+) DC power supply lead to the red wire of the refrigerator.

- Connect the negative (-) DC power supply lead to the black wire of the refrigerator.

- Make sure that:

- Each DC power supply lead is attached to the correct polarity wire of the refrig-

erator power supply.

- The chassis or the vehicle frame is not used as one of the conductors.

- The DC power supply wires including the fuses are routed directly from the bat-

tery to the refrigerator.

- The wire connections must be clean, tight and free of corrosion. If any of these

items are not correct:

- A voltage drop to the refrigerator will occur.

- The voltage drop will decrease the cooling performance of the refrigerator.

CAUTION: Disconnect the positive (+) DC power supply wire from the battery

before you do a “fast charge” of the battery. Failure to disconnect the positive (+)

power supply wire from the battery during a “fast charge” can cause damage to

the refrigerator or other DC appliances.

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